Backblaze website screenshot

Backblaze

Backblaze is a cloud storage and data backup provider offering B2 Cloud Storage - a low-cost, S3-compatible object storage service. Backblaze provides both a native B2 API and an S3-compatible API, enabling developers to build applications that store unlimited data at a fraction of major cloud provider costs. Features include file versioning, lifecycle rules, event notifications, object lock, cross-region replication, and a Cloudflare bandwidth alliance for zero-egress CDN delivery.

Backblaze publishes 6 APIs on the APIs.io network, including Application Keys API, Authorization API, Buckets API, and 3 more. Tagged areas include Cloud Storage, Object Storage, Storage, and Backup.

The Backblaze catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Backblaze’s developer surface includes authentication, changelog, CLI, developer portal, documentation, getting-started guide, pricing, and 40 more developer resources.

🌐 Visit website 📡 Source on GitHub
71.1/100 exemplar ▬ flat Agent 48/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
7 APIs 11 Features 6 Use Cases
Cloud StorageObject StorageStorageBackup

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 71.1/100 · exemplar
Contract Quality 15.1 / 25
Developer Ergonomics 14.3 / 20
Commercial Clarity 15.8 / 20
Operational Transparency 8.9 / 13
Governance 9.6 / 12
Discoverability 7.4 / 10
Agent readiness — 48/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/backblaze: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Backblaze S3-Compatible API

The Backblaze S3-Compatible API allows existing applications built for Amazon S3 to work with Backblaze B2 Cloud Storage with minimal code changes. Supports S3 authentication (A...

Backblaze Application Keys API

Create and manage application keys for access control

Backblaze Authorization API

Account authorization and token management

Backblaze Buckets API

Bucket creation, management, and configuration

Backblaze Files API

File upload, download, listing, deletion, and metadata

Backblaze Large Files API

Multi-part upload for large files

Backblaze Notifications API

Bucket event notification configuration

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Postman Collections 1

Ready-to-run Postman collections for exercising this provider's APIs.

Backblaze B2 Native API

POSTMAN

Arazzo Workflows 14

Multi-step API workflows described with the Arazzo specification.

_Index

ARAZZO

Backblaze Authorize and Provision Bucket

Authorize the account, then create a new private bucket using the returned account context.

ARAZZO

Backblaze Browse Bucket Files

Authorize, list buckets, list the file names in a bucket, then fetch full info for the first file.

ARAZZO

Backblaze Clean Up Unfinished Large Files

Authorize, list unfinished large files in a bucket, then cancel the first stalled upload found.

ARAZZO

Backblaze Configure Bucket Event Notifications

Authorize, set a webhook notification rule on a bucket, then read the rules back to confirm.

ARAZZO

Backblaze Copy a File Into Another Bucket

Authorize, locate a source file by listing, then server-side copy it into a destination bucket.

ARAZZO

Backblaze Create Scoped Application Key

Authorize, create a capability-scoped application key, then confirm it appears in the key list.

ARAZZO

Backblaze Large File Multi-Part Upload

Authorize, start a large file, get a part upload URL, then finish the large file from its parts.

ARAZZO

Backblaze Provision Bucket and Upload First File

Authorize, create a bucket, get its upload URL, and upload the first file end to end.

ARAZZO

Backblaze Purge a File's Versions

Authorize, list a file's versions by prefix, then delete the most recent version found.

ARAZZO

Backblaze Rotate Application Key

Authorize, create a replacement application key, then delete the old key it supersedes.

ARAZZO

Backblaze Share Private Files

Authorize, mint a prefix-scoped download authorization token, then download a private file by name.

ARAZZO

Backblaze Tear Down a Bucket

Authorize, list a bucket's file names, delete the first file version, then delete the empty bucket.

ARAZZO

Backblaze Upload a File

Authorize, request a bucket upload URL, then upload a single file to that bucket.

ARAZZO

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Pricing Plans 1

Published pricing tiers and plan structures.

Backblaze Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Backblaze Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Backblaze Finops

FINOPS

Features 11

Notable capabilities this provider offers.

Object Storage

Store and retrieve any amount of data with a simple flat namespace and unique file IDs.

S3-Compatible API

Use existing S3 tools and libraries without modification via the S3-compatible API endpoint.

Large File Multi-Part Upload

Upload files larger than 5GB using the multi-part upload API (b2_start_large_file / b2_upload_part / b2_finish_large_file).

Application Key Management

Create and manage scoped application keys with per-bucket and per-prefix restrictions.

Lifecycle Rules

Automatically delete or hide files after a specified number of days using lifecycle rules.

File Versioning

Keep multiple versions of files; older versions are preserved and accessible by file ID.

Event Notifications

Configure webhook-based event notifications when objects are created, modified, or deleted.

Object Lock

Protect files from deletion or modification for a specified retention period using object lock.

Cross-Region Replication

Replicate buckets to other regions or accounts for disaster recovery and data locality.

Server-Side Encryption

Encrypt data at rest using Backblaze-managed or customer-managed keys.

Cloudflare Bandwidth Alliance

Zero egress fees when serving B2 data through Cloudflare CDN.

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Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Backblaze B2 Context

42 classes · 68 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Backblaze API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Backblaze API Rules

36 rules · 12 errors 16 warnings 8 info

SPECTRAL

JSON Schema 42

Standalone JSON Schema definitions for this provider's data models.

AllowedCapabilities

4 properties

JSON SCHEMA

ApiInfo

1 properties

JSON SCHEMA

ApplicationKey

8 properties

JSON SCHEMA

AuthorizeAccountResponse

4 properties

JSON SCHEMA

BucketNotificationRulesResponse

2 properties

JSON SCHEMA

Bucket

8 properties

JSON SCHEMA

CancelLargeFileRequest

1 properties

JSON SCHEMA

CancelLargeFileResponse

4 properties

JSON SCHEMA

CopyFileRequest

5 properties

JSON SCHEMA

CreateBucketRequest

6 properties

JSON SCHEMA

CreateKeyRequest

6 properties

JSON SCHEMA

DeleteBucketRequest

2 properties

JSON SCHEMA

DeleteFileVersionRequest

3 properties

JSON SCHEMA

DeleteFileVersionResponse

2 properties

JSON SCHEMA

DeleteKeyRequest

1 properties

JSON SCHEMA

FileInfo

10 properties

JSON SCHEMA

FinishLargeFileRequest

2 properties

JSON SCHEMA

GetBucketNotificationRulesRequest

1 properties

JSON SCHEMA

GetDownloadAuthorizationRequest

3 properties

JSON SCHEMA

GetDownloadAuthorizationResponse

3 properties

JSON SCHEMA

GetFileInfoRequest

1 properties

JSON SCHEMA

GetUploadPartUrlRequest

1 properties

JSON SCHEMA

GetUploadPartUrlResponse

3 properties

JSON SCHEMA

GetUploadUrlRequest

1 properties

JSON SCHEMA

GetUploadUrlResponse

3 properties

JSON SCHEMA

HideFileRequest

2 properties

JSON SCHEMA

ListBucketsRequest

4 properties

JSON SCHEMA

ListBucketsResponse

1 properties

JSON SCHEMA

ListFileNamesRequest

5 properties

JSON SCHEMA

ListFileNamesResponse

2 properties

JSON SCHEMA

ListFileVersionsRequest

6 properties

JSON SCHEMA

ListFileVersionsResponse

3 properties

JSON SCHEMA

ListKeysRequest

3 properties

JSON SCHEMA

ListKeysResponse

2 properties

JSON SCHEMA

ListPartsRequest

3 properties

JSON SCHEMA

ListPartsResponse

2 properties

JSON SCHEMA

ListUnfinishedLargeFilesRequest

4 properties

JSON SCHEMA

ListUnfinishedLargeFilesResponse

2 properties

JSON SCHEMA

NotificationRule

4 properties

JSON SCHEMA

SetBucketNotificationRulesRequest

2 properties

JSON SCHEMA

StartLargeFileRequest

5 properties

JSON SCHEMA

UpdateBucketRequest

7 properties

JSON SCHEMA

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JSON Structure 42

JSON Structure definitions describing this provider's data shapes.

B2 Native Api Allowed Capabilities Structure

4 properties

JSON STRUCTURE

B2 Native Api Api Info Structure

1 properties

JSON STRUCTURE

B2 Native Api Application Key Structure

8 properties

JSON STRUCTURE

B2 Native Api Authorize Account Response Structure

4 properties

JSON STRUCTURE

B2 Native Api Bucket Notification Rules Response Structure

2 properties

JSON STRUCTURE

B2 Native Api Bucket Structure

8 properties

JSON STRUCTURE

B2 Native Api Cancel Large File Request Structure

1 properties

JSON STRUCTURE

B2 Native Api Cancel Large File Response Structure

4 properties

JSON STRUCTURE

B2 Native Api Copy File Request Structure

5 properties

JSON STRUCTURE

B2 Native Api Create Bucket Request Structure

6 properties

JSON STRUCTURE

B2 Native Api Create Key Request Structure

6 properties

JSON STRUCTURE

B2 Native Api Delete Bucket Request Structure

2 properties

JSON STRUCTURE

B2 Native Api Delete File Version Request Structure

3 properties

JSON STRUCTURE

B2 Native Api Delete File Version Response Structure

2 properties

JSON STRUCTURE

B2 Native Api Delete Key Request Structure

1 properties

JSON STRUCTURE

B2 Native Api File Info Structure

10 properties

JSON STRUCTURE

B2 Native Api Finish Large File Request Structure

2 properties

JSON STRUCTURE

B2 Native Api Get Bucket Notification Rules Request Structure

1 properties

JSON STRUCTURE

B2 Native Api Get Download Authorization Request Structure

3 properties

JSON STRUCTURE

B2 Native Api Get Download Authorization Response Structure

3 properties

JSON STRUCTURE

B2 Native Api Get File Info Request Structure

1 properties

JSON STRUCTURE

B2 Native Api Get Upload Part Url Request Structure

1 properties

JSON STRUCTURE

B2 Native Api Get Upload Part Url Response Structure

3 properties

JSON STRUCTURE

B2 Native Api Get Upload Url Request Structure

1 properties

JSON STRUCTURE

B2 Native Api Get Upload Url Response Structure

3 properties

JSON STRUCTURE

B2 Native Api Hide File Request Structure

2 properties

JSON STRUCTURE

B2 Native Api List Buckets Request Structure

4 properties

JSON STRUCTURE

B2 Native Api List Buckets Response Structure

1 properties

JSON STRUCTURE

B2 Native Api List File Names Request Structure

5 properties

JSON STRUCTURE

B2 Native Api List File Names Response Structure

2 properties

JSON STRUCTURE

B2 Native Api List File Versions Request Structure

6 properties

JSON STRUCTURE

B2 Native Api List File Versions Response Structure

3 properties

JSON STRUCTURE

B2 Native Api List Keys Request Structure

3 properties

JSON STRUCTURE

B2 Native Api List Keys Response Structure

2 properties

JSON STRUCTURE

B2 Native Api List Parts Request Structure

3 properties

JSON STRUCTURE

B2 Native Api List Parts Response Structure

2 properties

JSON STRUCTURE

B2 Native Api List Unfinished Large Files Request Structure

4 properties

JSON STRUCTURE

B2 Native Api List Unfinished Large Files Response Structure

2 properties

JSON STRUCTURE

B2 Native Api Notification Rule Structure

4 properties

JSON STRUCTURE

B2 Native Api Set Bucket Notification Rules Request Structure

2 properties

JSON STRUCTURE

B2 Native Api Start Large File Request Structure

5 properties

JSON STRUCTURE

B2 Native Api Update Bucket Request Structure

7 properties

JSON STRUCTURE

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Examples 42

Example request and response payloads for these APIs.

B2 Native Api Allowed Capabilities Example

4 fields

EXAMPLE

B2 Native Api Api Info Example

1 fields

EXAMPLE

B2 Native Api Application Key Example

8 fields

EXAMPLE

B2 Native Api Authorize Account Response Example

4 fields

EXAMPLE

B2 Native Api Bucket Example

8 fields

EXAMPLE

B2 Native Api Bucket Notification Rules Response Example

2 fields

EXAMPLE

B2 Native Api Cancel Large File Request Example

1 fields

EXAMPLE

B2 Native Api Cancel Large File Response Example

4 fields

EXAMPLE

B2 Native Api Copy File Request Example

5 fields

EXAMPLE

B2 Native Api Create Bucket Request Example

6 fields

EXAMPLE

B2 Native Api Create Key Request Example

6 fields

EXAMPLE

B2 Native Api Delete Bucket Request Example

2 fields

EXAMPLE

B2 Native Api Delete File Version Request Example

3 fields

EXAMPLE

B2 Native Api Delete File Version Response Example

2 fields

EXAMPLE

B2 Native Api Delete Key Request Example

1 fields

EXAMPLE

B2 Native Api File Info Example

10 fields

EXAMPLE

B2 Native Api Finish Large File Request Example

2 fields

EXAMPLE

B2 Native Api Get Bucket Notification Rules Request Example

1 fields

EXAMPLE

B2 Native Api Get Download Authorization Request Example

3 fields

EXAMPLE

B2 Native Api Get Download Authorization Response Example

3 fields

EXAMPLE

B2 Native Api Get File Info Request Example

1 fields

EXAMPLE

B2 Native Api Get Upload Part Url Request Example

1 fields

EXAMPLE

B2 Native Api Get Upload Part Url Response Example

3 fields

EXAMPLE

B2 Native Api Get Upload Url Request Example

1 fields

EXAMPLE

B2 Native Api Get Upload Url Response Example

3 fields

EXAMPLE

B2 Native Api Hide File Request Example

2 fields

EXAMPLE

B2 Native Api List Buckets Request Example

4 fields

EXAMPLE

B2 Native Api List Buckets Response Example

1 fields

EXAMPLE

B2 Native Api List File Names Request Example

5 fields

EXAMPLE

B2 Native Api List File Names Response Example

2 fields

EXAMPLE

B2 Native Api List File Versions Request Example

6 fields

EXAMPLE

B2 Native Api List File Versions Response Example

3 fields

EXAMPLE

B2 Native Api List Keys Request Example

3 fields

EXAMPLE

B2 Native Api List Keys Response Example

2 fields

EXAMPLE

B2 Native Api List Parts Request Example

3 fields

EXAMPLE

B2 Native Api List Parts Response Example

2 fields

EXAMPLE

B2 Native Api List Unfinished Large Files Request Example

4 fields

EXAMPLE

B2 Native Api List Unfinished Large Files Response Example

2 fields

EXAMPLE

B2 Native Api Notification Rule Example

4 fields

EXAMPLE

B2 Native Api Set Bucket Notification Rules Request Example

2 fields

EXAMPLE

B2 Native Api Start Large File Request Example

5 fields

EXAMPLE

B2 Native Api Update Bucket Request Example

7 fields

EXAMPLE

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Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Backblaze Authentication

http · 2 schemes

SECURITY

Backblaze Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Backblaze Trust Center

SOC 2 Type 2, ISO 27001, HIPAA, GDPR, UK GDPR, CCPA/CPRA, PCI-DSS, GovRAMP, TX-RAMP, HECVAT, TPN (Trusted Partner Network) Blue Shield, VPAT (Section 508), Internet2 Cloud Score...

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Backblaze Agentic Access

27 operations · 24 acting

27 operations · 24 acting

AGENTIC

Use Cases 6

What developers build with this provider.

Application Data Storage

Store application data, user-uploaded content, and media files in the cloud.

Backup and Disaster Recovery

Use Backblaze B2 as the storage backend for backup tools like Arq, MSP360, and Veeam.

Media Hosting and Delivery

Host images, videos, and other media files and serve them via CDN integration.

Archival Storage

Store infrequently accessed archival data at low cost with lifecycle-based management.

Data Migration

Migrate data from S3 or other cloud storage providers using the S3-compatible API.

CI/CD Artifact Storage

Store build artifacts, logs, and deployment packages in B2 buckets.

Resources

Get Started 3

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted
 Signup
Signup

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 WellKnown
WellKnown
 LLMsTxt
LLMsTxt

Design & Contract 18

Pagination, idempotency, versioning, errors, and events

Conformance
Conformance
 Lifecycle
Lifecycle
 Conventions
Conventions
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 Arazzo
Arazzo
 SpectralRules
SpectralRules
 Vocabulary
Vocabulary

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Build 10

SDKs, sample code, and the tooling you integrate with

Packages
Packages
 CLI
CLI
 PostmanWorkspace
PostmanWorkspace
 GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository
 Python SDK (B2 CLI & SDK)
SDKs
 Java SDK
SDKs
 Go SDK
SDKs
 B2 Command Line Tool
CLI
 Terraform Provider
Tools

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Access & Security 3

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 TrustCenter
TrustCenter

Operate 3

Status, limits, changes, and where to get help

ChangeLog
ChangeLog
 StatusPage
StatusPage
 Support
Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: backblaze
url: https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/apis.yml
apis:
- aid: backblaze:backblaze-s3-compatible-api
  name: Backblaze S3-Compatible API
  tags:
  - Cloud Storage
  - Object Storage
  - S3 Compatible
  humanURL: https://www.backblaze.com/apidocs/introduction-to-the-s3-compatible-api
  properties:
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-s3-compatible-api
  - type: APIReference
    url: https://www.backblaze.com/docs/cloud-storage-call-the-s3-compatible-api
  description: The Backblaze S3-Compatible API allows existing applications built for Amazon S3 to work with Backblaze B2
    Cloud Storage with minimal code changes. Supports S3 authentication (AWS Signature V4) and S3 API operations for bucket
    and object management. Endpoint URLs follow the pattern s3.<region>.backblazeb2.com.
- aid: backblaze:backblaze-application-keys-api
  name: Backblaze Application Keys API
  description: Create and manage application keys for access control
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Application Keys
  properties:
  - type: OpenAPI
    url: openapi/backblaze-application-keys-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
- aid: backblaze:backblaze-authorization-api
  name: Backblaze Authorization API
  description: Account authorization and token management
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Authorization
  properties:
  - type: OpenAPI
    url: openapi/backblaze-authorization-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
- aid: backblaze:backblaze-buckets-api
  name: Backblaze Buckets API
  description: Bucket creation, management, and configuration
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Buckets
  properties:
  - type: OpenAPI
    url: openapi/backblaze-buckets-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
- aid: backblaze:backblaze-files-api
  name: Backblaze Files API
  description: File upload, download, listing, deletion, and metadata
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Files
  properties:
  - type: OpenAPI
    url: openapi/backblaze-files-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
- aid: backblaze:backblaze-large-files-api
  name: Backblaze Large Files API
  description: Multi-part upload for large files
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Large Files
  properties:
  - type: OpenAPI
    url: openapi/backblaze-large-files-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
- aid: backblaze:backblaze-notifications-api
  name: Backblaze Notifications API
  description: Bucket event notification configuration
  humanURL: https://www.backblaze.com/b2/cloud-storage.html
  tags:
  - Notifications
  properties:
  - type: OpenAPI
    url: openapi/backblaze-notifications-api-openapi.yml
  - type: Documentation
    url: https://www.backblaze.com/apidocs/introduction-to-the-b2-native-api
  - type: GettingStarted
    url: https://www.backblaze.com/docs/cloud-storage-native-api
  - type: ErrorCatalog
    url: errors/backblaze-problem-types.yml
  - type: DataModel
    url: data-model/backblaze-data-model.yml
name: Backblaze
tags:
- Cloud Storage
- Object Storage
- Storage
- Backup
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/backblaze.png
access: 3rd-Party
common:
- type: AgenticAccess
  url: agentic-access/backblaze-agentic-access.yml
- type: DomainSecurity
  url: security/backblaze-domain-security.yml
- type: Authentication
  url: authentication/backblaze-authentication.yml
- type: Packages
  url: packages/backblaze-packages.yml
- type: WellKnown
  url: well-known/backblaze-well-known.yml
- type: LLMsTxt
  url: llms/backblaze-llms.txt
- type: Conformance
  url: conformance/backblaze-conformance.yml
- type: Lifecycle
  url: lifecycle/backblaze-lifecycle.yml
- type: ChangeLog
  url: changelog/backblaze-changelog.yml
- type: Conventions
  url: conventions/backblaze-conventions.yml
- type: CLI
  url: cli/backblaze-cli.yml
- type: TrustCenter
  url: security/backblaze-trust-center.yml
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/backblaze/overview
- type: Arazzo
  url: arazzo/backblaze-authorize-and-provision-bucket-workflow.yml
  name: Backblaze Authorize and Provision Bucket
- type: Arazzo
  url: arazzo/backblaze-browse-bucket-files-workflow.yml
  name: Backblaze Browse Bucket Files
- type: Arazzo
  url: arazzo/backblaze-cleanup-unfinished-large-files-workflow.yml
  name: Backblaze Clean Up Unfinished Large Files
- type: Arazzo
  url: arazzo/backblaze-configure-bucket-notifications-workflow.yml
  name: Backblaze Configure Bucket Event Notifications
- type: Arazzo
  url: arazzo/backblaze-copy-file-into-bucket-workflow.yml
  name: Backblaze Copy a File Into Another Bucket
- type: Arazzo
  url: arazzo/backblaze-create-application-key-workflow.yml
  name: Backblaze Create Scoped Application Key
- type: Arazzo
  url: arazzo/backblaze-large-file-upload-workflow.yml
  name: Backblaze Large File Multi-Part Upload
- type: Arazzo
  url: arazzo/backblaze-provision-bucket-and-upload-workflow.yml
  name: Backblaze Provision Bucket and Upload First File
- type: Arazzo
  url: arazzo/backblaze-purge-file-versions-workflow.yml
  name: Backblaze Purge a File's Versions
- type: Arazzo
  url: arazzo/backblaze-rotate-application-key-workflow.yml
  name: Backblaze Rotate Application Key
- type: Arazzo
  url: arazzo/backblaze-share-private-files-workflow.yml
  name: Backblaze Share Private Files
- type: Arazzo
  url: arazzo/backblaze-teardown-bucket-workflow.yml
  name: Backblaze Tear Down a Bucket
- type: Arazzo
  url: arazzo/backblaze-upload-file-workflow.yml
  name: Backblaze Upload a File
- type: LinkedIn
  url: https://www.linkedin.com/company/backblaze
- type: Website
  url: https://www.backblaze.com
- type: Portal
  url: https://www.backblaze.com/docs
- type: Documentation
  url: https://www.backblaze.com/apidocs/
- type: GettingStarted
  url: https://www.backblaze.com/docs/cloud-storage-native-api
- type: Pricing
  url: https://www.backblaze.com/cloud-storage/pricing
- type: Signup
  url: https://www.backblaze.com/b2/sign-up.html
- type: Blog
  url: https://www.backblaze.com/blog/
- type: StatusPage
  url: https://status.backblaze.com
- type: Support
  url: https://help.backblaze.com
- type: TermsOfService
  url: https://www.backblaze.com/company/terms-of-service
- type: PrivacyPolicy
  url: https://www.backblaze.com/company/privacy.html
- type: GitHubOrganization
  url: https://github.com/Backblaze
- type: GitHubRepository
  url: https://github.com/Backblaze/b2-sdk-python
- type: SDKs
  url: https://pypi.org/project/b2/
  title: Python SDK (B2 CLI & SDK)
- type: SDKs
  url: https://github.com/Backblaze/b2-sdk-java
  title: Java SDK
- type: SDKs
  url: https://github.com/Backblaze/blazer
  title: Go SDK
- type: CLI
  url: https://github.com/Backblaze/B2_Command_Line_Tool
  title: B2 Command Line Tool
- type: Tools
  url: https://github.com/Backblaze/terraform-provider-b2
  title: Terraform Provider
- type: SpectralRules
  url: rules/backblaze-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/backblaze-vocabulary.yaml
- name: Features
  type: Features
  data:
  - name: Object Storage
    description: Store and retrieve any amount of data with a simple flat namespace and unique file IDs.
  - name: S3-Compatible API
    description: Use existing S3 tools and libraries without modification via the S3-compatible API endpoint.
  - name: Large File Multi-Part Upload
    description: Upload files larger than 5GB using the multi-part upload API (b2_start_large_file / b2_upload_part / b2_finish_large_file).
  - name: Application Key Management
    description: Create and manage scoped application keys with per-bucket and per-prefix restrictions.
  - name: Lifecycle Rules
    description: Automatically delete or hide files after a specified number of days using lifecycle rules.
  - name: File Versioning
    description: Keep multiple versions of files; older versions are preserved and accessible by file ID.
  - name: Event Notifications
    description: Configure webhook-based event notifications when objects are created, modified, or deleted.
  - name: Object Lock
    description: Protect files from deletion or modification for a specified retention period using object lock.
  - name: Cross-Region Replication
    description: Replicate buckets to other regions or accounts for disaster recovery and data locality.
  - name: Server-Side Encryption
    description: Encrypt data at rest using Backblaze-managed or customer-managed keys.
  - name: Cloudflare Bandwidth Alliance
    description: Zero egress fees when serving B2 data through Cloudflare CDN.
- name: UseCases
  type: UseCases
  data:
  - name: Application Data Storage
    description: Store application data, user-uploaded content, and media files in the cloud.
  - name: Backup and Disaster Recovery
    description: Use Backblaze B2 as the storage backend for backup tools like Arq, MSP360, and Veeam.
  - name: Media Hosting and Delivery
    description: Host images, videos, and other media files and serve them via CDN integration.
  - name: Archival Storage
    description: Store infrequently accessed archival data at low cost with lifecycle-based management.
  - name: Data Migration
    description: Migrate data from S3 or other cloud storage providers using the S3-compatible API.
  - name: CI/CD Artifact Storage
    description: Store build artifacts, logs, and deployment packages in B2 buckets.
- name: Integrations
  type: Integrations
  data:
  - name: Cloudflare
    description: Zero egress bandwidth alliance for CDN delivery of B2 content.
  - name: Arq Backup
    description: Popular Mac and Windows backup application with native B2 support.
  - name: Synology
    description: Synology NAS Hyper Backup integration for cloud backup.
  - name: Veeam
    description: Enterprise backup and replication solution with B2 support.
  - name: MSP360
    description: Managed backup service with native B2 storage support.
  - name: Terraform
    description: Infrastructure as code support via the official Terraform provider.
  - name: rclone
    description: Command-line sync tool with native B2 Native and S3-compatible API support.
- type: Integrations
  url: https://www.backblaze.com/cloud-backup/personal/landing/podcast/marketplace
created: '2025-03-01'
modified: '2026-06-20'
position: Consumer
description: Backblaze is a cloud storage and data backup provider offering B2 Cloud Storage - a low-cost, S3-compatible object
  storage service. Backblaze provides both a native B2 API and an S3-compatible API, enabling developers to build applications
  that store unlimited data at a fraction of major cloud provider costs. Features include file versioning, lifecycle rules,
  event notifications, object lock, cross-region replication, and a Cloudflare bandwidth alliance for zero-egress CDN delivery.
integrations:
- name: arrow
- name: checkmark
- name: PCWorld
- name: The New York Times
- name: TNW
- name: Daring Fireball
- name: The Verge
- name: 9TO5Mac
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'